MadeBugs

        CGSize size = [info[@"entry"] boundingRectWithSize:CGSizeMake(260, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:14]} context:nil].size;

MadeBugs

- (void)htmlExpectToPDF{
    UIViewPrintFormatter *viewPrintFormatter = [self.webView viewPrintFormatter];
    viewPrintFormatter.startPage = 0;
    
    UIPrintPageRenderer *pageRender = [[UIPrintPageRenderer alloc] init];
    [pageRender addPrintFormatter:viewPrintFormatter startingAtPageAtIndex:0];
    
    
    CGRect page;
    page.origin.x=0;

MadeBugs

- (void)testAirPrint{
    UIPrintInteractionController *pic = [UIPrintInteractionController sharedPrintController];
    pic.delegate = self;
    UIPrintInfo *printInfo = [UIPrintInfo printInfo];
    printInfo.outputType = UIPrintInfoOutputGeneral;
    printInfo.jobName = self.webView.URL.scheme;
    pic.printInfo = printInfo;

    UIViewPrintFormatter *viewFormatter = [self.webView viewPrintFormatter];

MadeBugs

  //判断是否支持更换图标
  if(![[UIApplication sharedApplication] supportsAlternateIcons]) {
      return;
  }

	//更换icon，传入图标文件名
  [[UIApplication sharedApplication] setAlternateIconName:@"shuiguo" completionHandler:^(NSError * _Nullable error) {

  }];

MadeBugs

//特殊字符转码
- (NSString *)encodeWithString:(NSString *)string {
  NSString *charactersToEscape = @"?!@#$^&%*+,:;='\"`<>()[]{}/\\| ";
  NSCharacterSet *allowedCharacters = [[NSCharacterSet characterSetWithCharactersInString:charactersToEscape] invertedSet];
  return [string stringByAddingPercentEncodingWithAllowedCharacters:allowedCharacters];
}

//URL中包含中文的连接转码
    NSString *escapedPath = [@"http://www.baidu.com?中文" stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];

MadeBugs

.view {
  display: flex;
  align-items: center;
  justify-content: center;
}